Home / 16,781.93-25,143.73-8,976.77

Finding the Fourth Proportional to 16,781.93, 25,143.73 and 8,976.77

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Solution

The fourth proportional to 16,781.93, 25,143.73 and 8,976.77 is: 13,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.93 : 25,143.73 = 8,976.77 : x
  2. Step 2: Convert to fraction form
    16,781.93/25,143.73 = 8,976.77/x
  3. Step 3: Cross multiply
    16,781.93x = 25,143.73 × 8,976.77
  4. Step 4: Simplify right side
    16,781.93x = 225,709,481.15
  5. Step 5: Solve for x
    x = 225,709,481.15/16,781.93
  6. Step 6: Final answer
    x = 13,449.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.